Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Current conditions at

Merced / Castle Air Force Base (KMER)

Lat: 37.36667°NLon: 120.56667°WElev: 187.0ft.

Mist

N/A

Humidity NA
Wind Speed N 0 MPH
Barometer NA
Dewpoint N/A
Visibility 2.00 mi
Last update NA
Extended Forecast for

5 Miles SE Denair CA

Dense Fog Advisory December 30, 02:00am until December 30, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  • Tonight

    Tonight: Increasing clouds, with a low around 38. Calm wind becoming east around 5 mph after midnight.

    Low: 38 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Cloudy, with a high near 48. Calm wind becoming north northwest around 5 mph.

    High: 48 °F

    Cloudy

  • Tuesday Night

    Tuesday Night: Cloudy, with a low around 43. Calm wind becoming north northwest around 5 mph.

    Low: 43 °F

    Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of rain after 10am.  Cloudy, with a high near 49. Southeast wind around 5 mph.

    High: 49 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain.  Low around 49. Calm wind becoming southeast around 5 mph after midnight.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Rain

  • New Year's Day

    New Year's Day: Rain.  High near 56. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 54. Southeast wind around 10 mph, with gusts as high as 15 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Chance Rain

  • Friday

    Friday: A chance of rain, then showers likely and possibly a thunderstorm after 10am.  Cloudy, with a high near 58. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm.  Low around 51. South southeast wind around 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 38. Calm wind becoming east around 5 mph after midnight.
Tuesday
Cloudy, with a high near 48. Calm wind becoming north northwest around 5 mph.
Tuesday Night
Cloudy, with a low around 43. Calm wind becoming north northwest around 5 mph.
Wednesday
A 40 percent chance of rain after 10am. Cloudy, with a high near 49. Southeast wind around 5 mph.
Wednesday Night
Rain. Low around 49. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
New Year's Day
Rain. High near 56. Southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 54. Southeast wind around 10 mph, with gusts as high as 15 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of rain, then showers likely and possibly a thunderstorm after 10am. Cloudy, with a high near 58. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm. Low around 51. South southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Rain likely. Cloudy, with a high near 55. South wind around 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A 50 percent chance of rain. Cloudy, with a low around 47. West wind around 5 mph becoming east in the evening. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 40 percent chance of rain. Partly sunny, with a high near 54. South southeast wind 5 to 10 mph.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 45. East northeast wind around 5 mph.
Monday
A 40 percent chance of rain. Mostly cloudy, with a high near 52. South wind 5 to 10 mph.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Denair CA
 37.47°N 120.73°W (Elev. 157 ft)
10:56 pm PST Dec 29, 2025
11pm PST Dec 29, 2025-6pm PST Jan 5, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database